// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.
// http://code.google.com/p/protobuf/
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Author:  Robert Blackwood (ported from Kenton's)
//  Based on original Protocol Buffers design by
//  Sanjay Ghemawat, Jeff Dean, and others.

#include <google/protobuf/compiler/as3/as3_file.h>
#include <google/protobuf/compiler/as3/as3_enum.h>
#include <google/protobuf/compiler/as3/as3_service.h>
#include <google/protobuf/compiler/as3/as3_extension.h>
#include <google/protobuf/compiler/as3/as3_helpers.h>
#include <google/protobuf/compiler/as3/as3_message.h>
#include <google/protobuf/compiler/code_generator.h>
#include <google/protobuf/io/printer.h>
#include <google/protobuf/io/zero_copy_stream.h>
#include <google/protobuf/descriptor.pb.h>
#include <google/protobuf/stubs/strutil.h>

namespace google {
namespace protobuf {
namespace compiler {
namespace as3 {

FileGenerator::FileGenerator(const FileDescriptor* file)
  : file_(file) 
   /*, classname_(FileClassName(file)) */{}

FileGenerator::~FileGenerator() {}

bool FileGenerator::Validate(string* error) {
  // Check that no class name matches the file's class name.  This is a common
  // problem that leads to As3 compile errors that can be hard to understand.
  // It's especially bad when using the java_multiple_files, since we would
  // end up overwriting the outer class with one of the inner ones.

  //bool found_conflict = false;
  //for (int i = 0; i < file_->enum_type_count() && !found_conflict; i++) {
  //  if (file_->enum_type(i)->name() == classname_) {
  //    found_conflict = true;
  //  }
  //}
  //for (int i = 0; i < file_->message_type_count() && !found_conflict; i++) {
  //  if (file_->message_type(i)->name() == classname_) {
  //    found_conflict = true;
  //  }
  //}
  //for (int i = 0; i < file_->service_count() && !found_conflict; i++) {
  //  if (file_->service(i)->name() == classname_) {
  //    found_conflict = true;
  //  }
  //}

  //if (found_conflict) {
  //  error->assign(file_->name());
  //  error->append(
  //    ": Cannot generate As3 output because the file's outer class name, \"");
  //  error->append(classname_);
  //  error->append(
  //    "\", matches the name of one of the types declared inside it.  "
  //    "Please either rename the type or use the as3_outer_classname "
  //    "option to specify a different outer class name for the .proto file.");
  //  return false;
  //}

	

  return true;
}
//
//template<typename GeneratorClass, typename DescriptorClass>
//static void GenerateSibling(const string& package_dir,
//							const string& as3_package,
//							const DescriptorClass* descriptor,
//							OutputDirectory* output_directory,
//							vector<string>* file_list) 
//{
//								string filename = package_dir + descriptor->name() + ".as";
//								file_list->push_back(filename);
//
//								scoped_ptr<io::ZeroCopyOutputStream> output(
//									output_directory->Open(filename));
//								io::Printer printer(output.get(), '$');
//
//							/*	printer.Print("// Generated by the protocol buffer compiler.  DO NOT EDIT!\n"
//									"\n");
//								printer.Print("package $package$ {\n"
//									"\n",
//									"package", as3_package);
//								printer.Indent();*/
//
//								GeneratorClass(descriptor).Generate(&printer);
//
//								//printer.Outdent();
//								//printer.Print("\n}");
//}

void FileGenerator::Generate( OutputDirectory* output_directory , vector<string> * file_list) {
  // We don't import anything because we refer to all classes by their
  // fully-qualified names in the generated source.
		
	string as3_package = FileAs3Package(file_);
	string package_dir =
		StringReplace(as3_package, ".", "/", true);
	if (!package_dir.empty()) package_dir += "/";

	for (int i = 0; i < file_->enum_type_count(); i++) 
	{
		string filename = package_dir + file_->enum_type(i)->name() + ".as";
		file_list->push_back(filename);
		scoped_ptr<io::ZeroCopyOutputStream> output(output_directory->Open(filename));
		io::Printer printer(output.get(), '$');
		EnumGenerator(file_->enum_type(i)).Generate(&printer);	
	}
	for (int i = 0; i < file_->message_type_count(); i++) {
		string filename = package_dir + file_->message_type(i)->name() + ".as";
		file_list->push_back(filename);
		scoped_ptr<io::ZeroCopyOutputStream> output(output_directory->Open(filename));
		io::Printer printer(output.get(), '$');
		MessageGenerator(file_->message_type(i)).Generate(&printer);	
	}
	for (int i = 0; i < file_->service_count(); i++) {
		string filename = package_dir + file_->service(i)->name() + "_Service.as";
		file_list->push_back(filename);
		scoped_ptr<io::ZeroCopyOutputStream> output0(output_directory->Open(filename));
		io::Printer printer0(output0.get(), '$');
		ServiceGenerator(file_->service(i)).Generate(&printer0);	

		filename = package_dir + file_->service(i)->name() + "_Stub.as";
		file_list->push_back(filename);
		scoped_ptr<io::ZeroCopyOutputStream> output1(output_directory->Open(filename));
		io::Printer printer1(output1.get(), '$');
		StubGenerator(file_->service(i)).Generate(&printer1);	
	}
}



void FileGenerator::GenerateSiblings(const string& package_dir,
                                     OutputDirectory* output_directory,
                                     vector<string>* file_list) {
  //if (file_->options().java_multiple_files()) {
//    for (int i = 0; i < file_->enum_type_count(); i++) {
//      GenerateSibling<EnumGenerator>(package_dir, as3_package_,
//                                     file_->enum_type(i),
//                                     output_directory, file_list);
//    }
//    for (int i = 0; i < file_->message_type_count(); i++) {
//      //GenerateSibling<MessageGenerator>(package_dir, as3_package_,
////                                        file_->message_type(i),
////                                        output_directory, file_list);
//		//This is awesomly bad... supports only 3 levels of nesting :( It's got to be changed to a recursive call
//		for (int j = 0; j < file_->message_type(i)->nested_type_count(); j++) {
//			GenerateSibling<MessageGenerator>(package_dir, as3_package_,
//											  file_->message_type(i)->nested_type(j),
//											  output_directory, file_list);
//			for (int k = 0; k < file_->message_type(i)->nested_type(j)->nested_type_count(); k++) {
//				GenerateSibling<MessageGenerator>(package_dir, as3_package_,
//												  file_->message_type(i)->nested_type(j)->nested_type(k),
//												  output_directory, file_list);
//			}
//			
//		}
//    }
//    for (int i = 0; i < file_->service_count(); i++) {
//      GenerateSibling<ServiceGenerator>(package_dir, as3_package_,
//                                        file_->service(i),
//                                        output_directory, file_list);
//    }
 // }
}

}  // namespace as3
}  // namespace compiler
}  // namespace protobuf
}  // namespace google
